Changeset 3e2291a9 in mainline for uspace/srv/net/tcp/test/conn.c

Timestamp:

2017-09-17T23:37:43Z (7 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

797dc79e

Parents:

6969eea3

Message:

TCP tests for ucall module and some more for conn module. Implement tcp_uc_abort(). Fix tcp_uc_open() leaking connection of connecting failed. Fix missing transition Closing → Time-Wait. Fix wrong SEG.ACK in response to FIN.

File:

• uspace/srv/net/tcp/test/conn.c (modified) (3 diffs)

uspace/srv/net/tcp/test/conn.c

@@ -57 +57 @@
         tcp_rqueue_init(&test_rqueue_cb);
         tcp_rqueue_fibril_start();
+
+        /* Enable internal loopback */
+        tcp_conn_lb = tcp_lb_segment;
 }
 
@@ -118 +121 @@
         int rc;
 
-        tcp_conn_lb = tcp_lb_segment;
-
         inet_ep2_init(&epp);
         inet_addr(&epp.local.addr, 127, 0, 0, 1);
@@ -146 +147 @@
 }
 
+/** Test establishing a connection */
+PCUT_TEST(conn_establish)
+{
+        tcp_conn_t *cconn, *sconn;
+        inet_ep2_t cepp, sepp;
+        int rc;
+
+        /* Client EPP */
+        inet_ep2_init(&cepp);
+        inet_addr(&cepp.local.addr, 127, 0, 0, 1);
+        inet_addr(&cepp.remote.addr, 127, 0, 0, 1);
+        cepp.remote.port = inet_port_user_lo;
+
+        /* Server EPP */
+        inet_ep2_init(&sepp);
+        inet_addr(&sepp.local.addr, 127, 0, 0, 1);
+        sepp.local.port = inet_port_user_lo;
+
+        /* Client side of the connection */
+        cconn = tcp_conn_new(&cepp);
+        PCUT_ASSERT_NOT_NULL(cconn);
+
+        rc = tcp_conn_add(cconn);
+        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
+
+        PCUT_ASSERT_INT_EQUALS(st_listen, cconn->cstate);
+        PCUT_ASSERT_FALSE(tcp_conn_got_syn(cconn));
+
+        /* Server side of the connection */
+        sconn = tcp_conn_new(&sepp);
+        PCUT_ASSERT_NOT_NULL(sconn);
+
+        rc = tcp_conn_add(sconn);
+        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
+
+        PCUT_ASSERT_INT_EQUALS(st_listen, sconn->cstate);
+        PCUT_ASSERT_FALSE(tcp_conn_got_syn(sconn));
+
+        /* Start establishing the connection */
+
+        tcp_conn_lock(cconn);
+        tcp_conn_sync(cconn);
+        PCUT_ASSERT_INT_EQUALS(st_syn_sent, cconn->cstate);
+        PCUT_ASSERT_FALSE(tcp_conn_got_syn(cconn));
+
+        /* Wait for client-side state to transition */
+        while (cconn->cstate == st_syn_sent)
+                fibril_condvar_wait(&cconn->cstate_cv, &cconn->lock);
+
+        PCUT_ASSERT_INT_EQUALS(st_established, cconn->cstate);
+        PCUT_ASSERT_TRUE(tcp_conn_got_syn(cconn));
+        tcp_conn_unlock(cconn);
+
+        /* Wait for server-side state to transition */
+        tcp_conn_lock(sconn);
+        while (sconn->cstate == st_listen || sconn->cstate == st_syn_received)
+                fibril_condvar_wait(&sconn->cstate_cv, &sconn->lock);
+
+        PCUT_ASSERT_INT_EQUALS(st_established, sconn->cstate);
+        PCUT_ASSERT_TRUE(tcp_conn_got_syn(sconn));
+
+        /* Verify counters */
+        PCUT_ASSERT_EQUALS(cconn->iss + 1, cconn->snd_nxt);
+        PCUT_ASSERT_EQUALS(cconn->iss + 1, cconn->snd_una);
+        PCUT_ASSERT_EQUALS(sconn->iss + 1, sconn->snd_nxt);
+        PCUT_ASSERT_EQUALS(sconn->iss + 1, sconn->snd_una);
+
+        tcp_conn_unlock(sconn);
+
+        tcp_conn_lock(cconn);
+        tcp_conn_reset(cconn);
+        tcp_conn_unlock(cconn);
+        tcp_conn_delete(cconn);
+
+        tcp_conn_lock(sconn);
+        tcp_conn_reset(sconn);
+        tcp_conn_unlock(sconn);
+        tcp_conn_delete(sconn);
+}
+
+PCUT_TEST(ep2_flipped)
+{
+        inet_ep2_t a, fa;
+
+        inet_addr(&a.local.addr, 1, 2, 3, 4);
+        a.local.port = 1234;
+        inet_addr(&a.remote.addr, 5, 6, 7, 8);
+        a.remote.port = 5678;
+
+        tcp_ep2_flipped(&a, &fa);
+
+        PCUT_ASSERT_INT_EQUALS(a.local.port, fa.remote.port);
+        PCUT_ASSERT_INT_EQUALS(a.remote.port, fa.local.port);
+
+        PCUT_ASSERT_TRUE(inet_addr_compare(&a.local.addr, &fa.remote.addr));
+        PCUT_ASSERT_TRUE(inet_addr_compare(&a.remote.addr, &fa.local.addr));
+}
+
 PCUT_EXPORT(conn);